The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 29, 1976
Filed:
Jan. 13, 1975
Dainippon Ink and Chemicals, Incorporated, Tokyo, JA;
Abstract
A process for preparing an unsaturated polyurethane resin containing two or more unsaturated monobasic acid residues in its molecular structure which comprises reacting, in the presence of a polymerizable vinyl monomer, (A) a diesterified product of an epoxy compound containing a hydroxyl group, said product obtained by reacting an epoxy compound having two epoxy groups in its molecular structure but not containing a hydroxyl group with unsaturated monobasic acid, with (B) a diisocyanate compound in the presence or absence of (C) oligopolyester glycol containing a saturated or unsaturated dibasic acid group, at the rate of 0.2 to 1.0 mole of the isocyanate group per each mole of said hydroxyl group.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile